INDEX
L90 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL ix
L
Labels, front panel ..................................................................4-44, 4-77
Lamp test ................................................................................................... 7-3
Language setting .................................................................................5-27
Laser module .........................................................................................3-34
Latching outputs
application examples ..................................................................5-418
error messages ..................................................................................7-10
settings ...............................................................................................5-417
specifications ......................................................................................2-46
LC fiber ...........................................................................................2-11, 3-11
LC fiber connector ...............................................................................3-11
LED test
commands ............................................................................................. 7-3
FlexLogic operand .........................................................................5-201
settings ...............................................................................................5-121
specifications ......................................................................................2-41
LEDs
clear .....................................................................................................5-421
custom labels .....................................................................................4-44
explained ..............................................................................................4-40
In Service ..............................................................................................3-49
settings ...............................................................................................5-124
Trouble ...................................................................................................3-49
Line pickup
FlexLogic operands .......................................................................5-194
logic diagram ...................................................................................5-224
settings ...............................................................................................5-222
specifications ......................................................................................2-33
Link power budget ..............................................................................2-49
Load encroachment
FlexLogic operands .......................................................................5-194
logic diagram ...................................................................................5-255
settings ...............................................................................................5-254
specifications ......................................................................................2-39
Load shedding .....................................................................5-340, 5-412
Local access denied message .........................................4-62, 5-22
Local access, explained ..................................................................... 5-9
Local loopback settings ................................................................5-432
Local Setting Authorization .........................................................11-14
Lockout from software .....................................................................5-15
Log in with password ............................................................3-65, 5-11
Log in, multiple users cannot .......................................................... 2-9
Logic diagram explained .................................................................4-62
Logic diagrams, create .....................................................................4-63
Logic gates, FlexLogic ........................................................4-84, 5-203
Logout users forcefully .......................................................................7-3
Logs, system ...........................................................................................5-26
Loop actual values ..............................................................................6-27
Loop filter block diagram .............................................................10-11
Loopback settings ............................................................................5-432
Loopback test ..........................................................................................2-7
Lost password .........................................................................................5-9
Low-voltage fault .................................................................................8-13
M
MAC address
actual values ......................................................................................6-34
examples ..............................................................................................5-44
RxGOOSE ..............................................................................................5-72
settings for redundancy ................................................................5-47
TxGOOSE .............................................................................................. 5-69
Maintenance
actual values ......................................................................................6-33
alert to replace battery ....................................................................7-9
battery replacement .....................................................................11-24
cleaning ................................................................................................2-53
commands .............................................................................................7-3
module replacement ....................................................................11-23
upgrade or downgrade ...............................................................11-13
Manufacturing date ...........................................................................6-34
Maximum CT/VT wire size .............................................................. 3-14
Memory polarization .......................................................................10-27
Memory requirements .....................................................................3-51
Memory voltage logic diagram .................................................5-226
Menu navigation ..................................................................................4-51
Message about upgrade over Internet ................................11-14
Messages
clear front panel .............................................................................5-421
error ...........................................................................................................7-7
errors and warnings in Engineer .............................................. 4-70
Metering
conventions ............................................................................6-12, 6-13
demand specifications ..................................................................2-44
frequency specifications ..............................................................2-44
power specifications ......................................................................2-43
THD specifications ...............................................................2-43, 2-44
voltage specifications ....................................................................2-43
Metering editor .....................................................................................4-36
Mho distance characteristic .......................................................5-228
Microsoft Windows requirement ...............................................3-51
Mimic diagrams ...................................................................................4-20
MMS connections remaining ........................................................6-10
Modbus
connections remaining .................................................................6-10
Flex State parameters .................................................................5-133
port, close ............................................................................................ 5-52
register entry ....................................................................................5-108
settings .................................................................................................5-51
user map ............................................................................................5-108
Modbus Analyzer .................................................................................11-1
Model information, view ..................................................................6-34
Model number ..........................................................................................3-1
Modem connection ............................................................................ 3-61
Modification file number .................................................................6-34
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